What is the structure of a thin-film panel? A thin-film panel manufacturer explains for you!

Release date:

2022-11-30

　　 Thin-film panel manufacturer Let me explain the structure of the thin-film panel to you. Below, let’s take a brief look at its composition. Panel Layer: The panel layer is typically made from colorless, transparent, and exquisite materials such as PET or PC, with a thickness usually less than 0.25 mm. These materials are chosen for their ability to display clear patterns and text, as they play a crucial role in the functionality of the panel and its buttons. Key considerations when selecting materials include transparency, excellent ink adhesion, high elasticity, and resistance to folding.

　　

Thin-film panel manufacturer

　　Buffer Layer: Film panel manufacturers explain that the primary function of the buffer layer is to ensure a tight connection between the panel layer and the circuit layer, achieving both sealing and electrical connectivity. Typically, this layer requires a thickness ranging from 0.02 to 0.05 millimeters, offering excellent adhesion and outstanding resistance to aging. During production, specialized double-sided adhesive films for membrane switches are commonly used. Additionally, some membrane switch applications demand waterproof and high-temperature resistance properties; therefore, the buffer layer must also be crafted from materials tailored to meet these specific requirements. Circuit Layer: This layer exclusively utilizes high-performance polyester film (PET) as the substrate for the switch circuit patterns. Conductive elements such as silver paste or carbon ink are applied via silk-screen printing using advanced techniques. Alternatively, gold-based inks may be employed. The typical thickness of the conductive layer ranges from 0.05 to 0.175 millimeters, with 0.125 millimeters being the most common specification.

　　Laminated layer Thin-film panel manufacturer Certainly! Here's the translation: --- It serves as a sealing and connecting component positioned between the upper and lower circuit layers, typically utilizing PET double-sided adhesive with a thickness ranging from 0.05 to 0.2 millimeters. When selecting this material layer, it is essential to carefully consider the overall product thickness, insulation properties, tactile feel of the circuit key pocket, and sealing performance. Back Adhesive Layer: The choice of white adhesive is closely tied to the design of the membrane switch panel and specific materials involved. Commonly used adhesives include double-sided tape, 3M adhesive, and waterproof adhesive, among others.

　　Film panel manufacturer: What are the key design considerations for film panels? Let's take a brief look at them together below.

　　1. Fragments of the membrane switch drum buttons should be placed properly without any displacement. Otherwise, it may affect the operation of critical points.

　　2. Color Issues: The mixing ratio of inks is the primary cause of significant color deviations, especially when color specifications are overly stringent. Achieving such a narrow color range is challenging for any industry to control effectively. From a company's perspective, maintaining an extremely limited color range would incur high costs, driving up product expenses and inevitably increasing the unit price. This, in turn, makes it difficult for customers to accept. Therefore, the color range should be set within a reasonable and practical scope.

　　3. The drum position of the key needs to be adjusted to the appropriate setting. Otherwise, it may affect the beauty of your height. White glue does not adhere well; in addition to selecting high-quality raw materials, ensure that the shape of the prototype is accurate. If the circular component features grooves, make sure to use a reliable, high-quality adhesive.

　　 Thin-film panel manufacturer The service scope of the thin-film panel widely includes switch panels, factory name/trademark stickers, and other components used in household appliances, instrumentation, mechanical electronics, medical devices, and more. It fundamentally addresses the shortcomings of traditional panel materials such as aluminum panels, making it one of the ideal, modern alternatives available today.

 

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